A cell phoneas roaming feature allows the user to get service when traveling beyond the boundaries of his/her service provider. Wireless service providers make approximately 30% of their operating profit from roaming. But despite being a major source of income, roaming suffers from a number of technological problems in the handoff between networks. Signal strength is wildly variable, calls are frequently dropped, and quality of service is poor. Based upon training courses the author teaches at Agilent and Hewlett-Packard, this is the first book to give communications engineers the know-how to faultlessly design and manage roaming services.This parameter is set to service granted if no operator-determined barring (ODB) is required. To apply, remove, or update ODB, the ... Call barring information list. This includes the SS code for an individual call barring supplementary service.
|Title||:||Roaming in Wireless Networks|
|Publisher||:||Mcgraw-hill - 2005-09-28|